Home / 125,760.96-189,390.18-113,423.04

Finding the Fourth Proportional to 125,760.96, 189,390.18 and 113,423.04

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Solution

The fourth proportional to 125,760.96, 189,390.18 and 113,423.04 is: 170,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,760.96 : 189,390.18 = 113,423.04 : x
  2. Step 2: Convert to fraction form
    125,760.96/189,390.18 = 113,423.04/x
  3. Step 3: Cross multiply
    125,760.96x = 189,390.18 × 113,423.04
  4. Step 4: Simplify right side
    125,760.96x = 21,481,209,961.75
  5. Step 5: Solve for x
    x = 21,481,209,961.75/125,760.96
  6. Step 6: Final answer
    x = 170,809.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.